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   "source": [
    "常见的请求头信息\n",
    "\n",
    "用处不大的请求头字段信息\n",
    "    accept\n",
    "    accept-encoding\n",
    "    accept-language\n",
    "    \n",
    "关键时刻非常有用的\n",
    "    content-type\n",
    "    cookie\n",
    "    \n",
    "现阶段，非常有必要的\n",
    "    referer：网址来源\n",
    "    user-agent：user-agent"
   ]
  }
 ],
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   "display_name": "Python 3",
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